ANDHRA PRADESH, INDIA
Industrial quartz from
Andhra Pradesh.
Petra Silicon processes quartz from its own Andhra Pradesh resource into chips, grit and filler for domestic and international customers.
RESOURCE INTELLIGENCE
Quartz grades and project milestones
The lease chart compares the reported A and M grade shares. The timeline separates reported pilot operations, the technical study and the proposed facility.
Reported A and M grade share
Mudigubba reports more than 60% A and M grade quartz. The ring shows the 60% lower threshold.
Development milestones
- 2024 · REPORTED OPERATING50 TPH pilot plant
Reported as operational near Marthadu Village.
- JUNE 2025 · STUDYTechnical-economic evaluation
Evaluated a proposed 158 TPH sorting-feed facility.
- PROPOSED · SUBJECT TO APPROVALSS. Bandlapalli facility
Future capacity depends on approvals, funding and execution.
01 / THE RESOURCE
One continuous reef in Mudigubba
For a closer look at the two leases, use the Resource page to compare grade profiles and understand how the assessed figures relate to supply planning.
Petra Silicon’s Andhra Pradesh resource is anchored by a continuous quartz ridge. Explore the geology, the two leases and their reported grade profile.
Read the resource profile ↗02 / MATERIALS
Four quartz products
Start with the material form, then narrow the enquiry using the size range, chemistry and appearance your process requires.
Compare the available grades and nominal size ranges before requesting technical information.
See the full product range ↗SIZE PROFILE
Multiple size fractions
Specify the required size fraction and chemical limits.
A Grade Quartz Chips
Multiple size fractions
View product details ↗M Grade Quartz Chips
Customer-defined size ranges
View product details ↗Quartz Grit
Nominal 0.1–0.4 mm
View product details ↗Quartz Filler
Nominal 40 microns
View product details ↗PROCESSING & QUALITY
From quartz feed to dispatch
Follow the sequence from feed preparation and sorting to classification, product evaluation and packing. Each step gives buyers a different point at which to specify a requirement.
Crushing and screening
Prepare feed and separate it by size.
Optical sorting
Separate material according to visual quality.
Size classification
Select fractions against the required size range.
Grinding and milling
Produce finer fractions such as grit and filler.
Product evaluation
Review chemistry, particle size and whiteness.
Packing and dispatch
Pack material in jumbo bags for supply.
EXPLORE IN MORE DETAIL
From end use to material quality
Explore the material from three angles: the intended industrial use, the processing route and the checks used during qualification.
Industrial applications →
Quartz grade and quality →
03 / INSIDE PETRA SILICON
Operations and company information
Find the operational, corporate or project information relevant to your technical review, supply discussion or investment enquiry.
BUYER RESOURCES
Prepare a quartz enquiry
Use the product FAQs, testing guidance and procurement checklist to bring the technical and commercial details together before contacting Petra Silicon.
Compare product grades
Find typical size ranges and what to include in your specification.
Read product FAQs →Plan a sample review
Identify the tests, sample quantities and records your team needs.
Review testing guidance →Prepare your quote request
Gather volume, destination, packing and delivery requirements.
View the procurement guide →