24-week independent study guide · SiRaSiR Gem & Lapidary Academy
Use a specimen notebook. Instrument and workshop exercises need appropriate supervision.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
Create a workshop induction checklist with your instructor and identify the machine manual you will use. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
Make a rough intake sheet and a sketch showing visible fractures and possible cutting orientations. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
For a paper exercise, compare two proposed orientations and calculate the recovery from 10 carats rough to 3 carats finished. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
On paper, draw a preform sequence for an instructor-approved rough and mark where condition checks belong. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
Sketch an oval cabochon in top and side views, then identify the parts that a jeweler would need to measure. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
With an instructor, practice positioning a teaching specimen and document the alignment checks before machine work. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
Label each tier of an instructor-approved beginner diagram and map its index numbers to the machine. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
On a diagram, mark the meetpoints for each pavilion tier and explain where you would check progress. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
Write a transfer checklist and identify which alignment observations should be recorded before and after the transfer. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
Create a polishing log with columns for preparation, lap, compound, settings, observations, and controlled changes. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
Write a sample recut proposal stating the goal, known condition, uncertainties, and possible dimensional changes. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Read the lesson and watch its captioned explainer. Write three observations or principles in your notebook. Answer the self-check before revealing its answer.
Assemble a two-stone portfolio for instructor review, with a complete process record for each piece. Record your method, evidence, limitations, and any unanswered questions. For instruments or machines, work only with appropriate supervision and the manufacturer’s instructions.
Before touching a machine, learn its controls, shutdown procedure, guarding, water system, and manufacturer’s operating instructions with an instructor. Prepare a clean work area, suitable lighting, a specimen tray, and a clear documentation process. Keep electrical equipment and liquids managed according to the machine’s design. Dust control, eye protection, and other protective measures must match the material and operation. Do not improvise a setup from a short online lesson. A supervised workshop induction is the first practical requirement.
Create a workshop induction checklist with your instructor and identify the machine manual you will use.
What comes before a first cut?
Answer: A supervised safety induction and an understanding of the specific equipment’s instructions.
Record the rough’s weight, dimensions, visible color, surface condition, and known identity. Inspect from several directions for fractures, inclusions, zoning, and potentially useful color orientation. Avoid destructive testing and casual immersion of unknown or sensitive materials. Start practice with instructor-approved inexpensive material. Cutting cannot repair every internal problem, and removal of material can reveal new difficulties. Your rough record should separate observed features from assumptions about a hidden interior or finished yield.
Make a rough intake sheet and a sketch showing visible fractures and possible cutting orientations.
Why record rough condition before cutting?
Answer: It supports planning, documents starting features, and helps explain later decisions or limitations.
A cutting plan balances color, integrity, shape, expected dimensions, and material recovery. The largest possible stone is not automatically the most attractive finished result. Mark candidate orientations on a sketch and compare the tradeoffs before choosing one. Yield is the finished mass divided by the starting mass, expressed as a percentage; it describes recovery, not quality. Any estimate made before cutting needs a stated basis and uncertainty. Preserve a record of why you selected an orientation.
For a paper exercise, compare two proposed orientations and calculate the recovery from 10 carats rough to 3 carats finished.
What is that weight recovery?
Answer: Thirty percent: 3 divided by 10, multiplied by 100.
Preforming establishes an approximate shape before detailed cutting. Sawing and grinding remove material, so every decision is irreversible at the specimen level. Review blade or wheel suitability, support, feed method, cooling, and operating limits with the instructor and manufacturer’s manual. Do not press harder to compensate for a poorly prepared tool. In the learning record, note what was removed and why, then re-examine the remaining material. Stop when an unexpected fracture or change in behavior requires a new assessment.
On paper, draw a preform sequence for an instructor-approved rough and mark where condition checks belong.
Why reassess after preforming?
Answer: Removal can expose previously hidden features and change the best plan for the remaining material.
A cabochon uses a smoothly curved polished surface rather than a faceted arrangement. Plan its outline, dome, base, and edge for the material and intended setting. Optical effects may need a particular orientation, and fractures may limit the dome. Learn a controlled shaping sequence with an instructor, checking symmetry and thickness regularly. A thin vulnerable edge can create a practical problem even when the face looks attractive. Keep measurements and photographs so you can compare the intended design with the result.
Sketch an oval cabochon in top and side views, then identify the parts that a jeweler would need to measure.
Is a pleasing dome the only design requirement?
Answer: No. The base, edge, thickness, orientation, and setting requirements also matter.
Dopping holds a specimen so it can be worked in a controlled orientation. The method must suit the material, adhesive system, machine, and planned operation. Alignment errors can be carried through the entire cut. Heat-sensitive or fractured material needs particular care when choosing a method. Practice on instructor-approved specimens and follow the adhesive manufacturer’s handling and release instructions. Record how the specimen is positioned, then check security and alignment before work begins rather than discovering a problem during a critical stage.
With an instructor, practice positioning a teaching specimen and document the alignment checks before machine work.
Why does alignment matter early?
Answer: An initial positioning error can affect later facet placement and transfer accuracy.
A faceting diagram links the intended design with angle, index position, and cutting sequence. The diagram must suit the material and the machine’s index arrangement. Read every tier before starting and identify the table, crown, girdle, and pavilion. Do not use a single angle prescription for all materials. Familiarize yourself with the machine’s depth control and adjustment process through supervised practice. Keep a cutting log of settings so a later error can be traced to a decision rather than corrected by guesswork.
Label each tier of an instructor-approved beginner diagram and map its index numbers to the machine.
Can every material use the same diagram unchanged?
Answer: No. Material properties, design goals, and equipment compatibility must be considered.
The pavilion is a key part of the stone’s optical design. Work through the selected diagram in its intended sequence and approach meetpoints gradually. A meetpoint is where designed facet edges join; overcutting one tier may require removal elsewhere to restore the design. Inspect frequently instead of relying only on a depth setting. Record deviations before adjusting. The aim in training is control and understanding, not maximum speed. Stop and seek instructor feedback when the geometry no longer agrees with the plan.
On a diagram, mark the meetpoints for each pavilion tier and explain where you would check progress.
Why approach a meetpoint gradually?
Answer: Extra material removed cannot be put back, and an overcut can affect surrounding facets.
Transfer changes the holding arrangement so the other side can be worked while preserving alignment. Check the equipment setup and specimen orientation with your instructor before release. Small errors can affect crown-to-pavilion relationships and symmetry. Cut the crown and table according to the selected diagram, checking the girdle and facet joins. Record both the planned settings and any justified corrections. A finished outline that looks balanced from above still needs a side-view inspection and a condition check.
Write a transfer checklist and identify which alignment observations should be recorded before and after the transfer.
What is the central goal of transfer?
Answer: To preserve the intended alignment while changing how the specimen is held.
Polishing depends on suitable preparation, material, tools, and technique. A polished surface cannot hide deep damage left by an earlier stage. Check the surface after each progression and keep tools clean to avoid carrying coarse particles into a finer stage. Follow the lap and polish manufacturer’s operating instructions; do not guess a universal speed or pressure. When scratches appear, diagnose their pattern and source before changing several variables at once. Record the successful sequence for the specific material and equipment.
Create a polishing log with columns for preparation, lap, compound, settings, observations, and controlled changes.
Why change one variable at a time when diagnosing scratches?
Answer: It helps identify the cause instead of losing track of which change affected the result.
Recutting begins with a condition assessment and agreement about the possible loss of weight or dimensions. A new design may remove a problem, expose another one, or reduce suitability for an existing setting. Opal and other sensitive materials need material-specific handling; unknown condition or treatment increases uncertainty. Do not assume that every stone can tolerate the same heat, liquids, or adhesive release method. For training, discuss case studies before attempting valuable or fragile specimens, and use instructor-approved material.
Write a sample recut proposal stating the goal, known condition, uncertainties, and possible dimensional changes.
Can a recut be promised to improve every stone?
Answer: No. Suitability and outcomes depend on the material, existing condition, and feasible design.
A portfolio should explain how you worked, not merely display attractive final photographs. Include an intake record, orientation sketch, selected design, cutting and polishing log, finished weight and dimensions, condition review, and images. Compare the original goal with the result and explain what you would improve next time. For a supervised assessment, present a cabochon and a faceted teaching specimen that meet agreed criteria. Add a factual customer description and a handover note covering known material and care information.
Assemble a two-stone portfolio for instructor review, with a complete process record for each piece.
What makes a useful portfolio beyond the final photograph?
Answer: It shows planning, technique, measurements, condition, evidence, and learning from the result.